Fluid handling – Back flow prevention by vacuum breaking – Air vent in liquid flow line
Patent
1998-05-26
2000-08-22
Rivell, John
Fluid handling
Back flow prevention by vacuum breaking
Air vent in liquid flow line
137357, 13756517, E03B 502, E03C 102
Patent
active
061055999
ABSTRACT:
A transporting water device has a water pipe connected to a water conduit and a water tank, an upper switch disposed on an upper end of the water pipe, a lower switch disposed on a lower end of the water pipe, a pump disposed on the water conduit to pump water to a water tower, a water outlet tank connected to the water conduit, an inner pressure tank disposed in the water outlet tank, a ventilation hole formed on an upper portion of the water outlet tank, and a faucet disposed on the water outlet tank and communicating with the water outlet tank.
REFERENCES:
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patent: 3448759 (1969-06-01), Peerman
patent: 4515180 (1985-05-01), Napolitano
patent: 4519418 (1985-05-01), Fowler
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